java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-30 02:14:01,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-30 02:14:01,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-30 02:14:01,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-30 02:14:01,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-30 02:14:01,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-30 02:14:01,962 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-30 02:14:01,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-30 02:14:01,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-30 02:14:01,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-30 02:14:01,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-30 02:14:01,981 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-30 02:14:01,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-30 02:14:01,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-30 02:14:01,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-30 02:14:01,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-30 02:14:01,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-30 02:14:01,993 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-30 02:14:01,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-30 02:14:01,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-30 02:14:02,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-30 02:14:02,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-30 02:14:02,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-30 02:14:02,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-30 02:14:02,012 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-30 02:14:02,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-30 02:14:02,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-30 02:14:02,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-30 02:14:02,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-30 02:14:02,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-30 02:14:02,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-30 02:14:02,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-30 02:14:02,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-30 02:14:02,050 INFO L138 SettingsManager]: * Use SBE=true [2019-08-30 02:14:02,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-30 02:14:02,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-30 02:14:02,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-30 02:14:02,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-30 02:14:02,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-30 02:14:02,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-30 02:14:02,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-30 02:14:02,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-30 02:14:02,053 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-30 02:14:02,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-30 02:14:02,053 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-30 02:14:02,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-30 02:14:02,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-30 02:14:02,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-30 02:14:02,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-30 02:14:02,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-30 02:14:02,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 02:14:02,055 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-30 02:14:02,055 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-30 02:14:02,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-30 02:14:02,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-30 02:14:02,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-30 02:14:02,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-30 02:14:02,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-30 02:14:02,102 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-30 02:14:02,121 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-30 02:14:02,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-30 02:14:02,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-30 02:14:02,126 INFO L275 PluginConnector]: CDTParser initialized [2019-08-30 02:14:02,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2019-08-30 02:14:02,188 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904b89d40/d6fe09f9175e47ca982c058cfb121dfe/FLAG7668074c7 [2019-08-30 02:14:02,577 INFO L306 CDTParser]: Found 1 translation units. [2019-08-30 02:14:02,577 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector-regression/implicitfloatconversion.c [2019-08-30 02:14:02,583 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904b89d40/d6fe09f9175e47ca982c058cfb121dfe/FLAG7668074c7 [2019-08-30 02:14:02,998 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904b89d40/d6fe09f9175e47ca982c058cfb121dfe [2019-08-30 02:14:03,009 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-30 02:14:03,010 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-30 02:14:03,011 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-30 02:14:03,011 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-30 02:14:03,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-30 02:14:03,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696990f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03, skipping insertion in model container [2019-08-30 02:14:03,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,026 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-30 02:14:03,041 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-30 02:14:03,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:14:03,183 INFO L188 MainTranslator]: Completed pre-run [2019-08-30 02:14:03,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-30 02:14:03,211 INFO L192 MainTranslator]: Completed translation [2019-08-30 02:14:03,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03 WrapperNode [2019-08-30 02:14:03,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-30 02:14:03,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-30 02:14:03,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-30 02:14:03,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-30 02:14:03,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-30 02:14:03,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-30 02:14:03,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-30 02:14:03,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-30 02:14:03,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 02:14:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-30 02:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-30 02:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-30 02:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-30 02:14:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-30 02:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-30 02:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-30 02:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-30 02:14:03,523 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-30 02:14:03,523 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-30 02:14:03,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:14:03 BoogieIcfgContainer [2019-08-30 02:14:03,525 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-30 02:14:03,526 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-30 02:14:03,526 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-30 02:14:03,526 INFO L275 PluginConnector]: Sifa initialized [2019-08-30 02:14:03,527 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 02:14:03" (1/1) ... [2019-08-30 02:14:03,562 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-30 02:14:03,562 INFO L169 IcfgInterpreter]: Building call graph [2019-08-30 02:14:03,569 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-30 02:14:03,576 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-30 02:14:03,578 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-30 02:14:03,629 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-08-30 02:14:03,643 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-30 02:14:03,644 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-30 02:14:03,646 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 17#(and (<= 1 main_~i~0) (= main_~i~0 1) (<= main_~i~0 1)) [2019-08-30 02:14:03,661 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-30 02:14:03,661 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-30 02:14:03,663 INFO L168 Benchmark]: Toolchain (without parser) took 652.37 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 84.6 MB in the beginning and 158.6 MB in the end (delta: -74.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-30 02:14:03,664 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-30 02:14:03,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.64 ms. Allocated memory is still 137.4 MB. Free memory was 84.4 MB in the beginning and 75.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-08-30 02:14:03,666 INFO L168 Benchmark]: Boogie Preprocessor took 129.91 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 175.0 MB in the end (delta: -99.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-30 02:14:03,667 INFO L168 Benchmark]: RCFGBuilder took 182.77 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 165.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-30 02:14:03,668 INFO L168 Benchmark]: Sifa took 135.70 ms. Allocated memory is still 197.7 MB. Free memory was 165.8 MB in the beginning and 158.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-30 02:14:03,672 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 200.64 ms. Allocated memory is still 137.4 MB. Free memory was 84.4 MB in the beginning and 75.5 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.91 ms. Allocated memory was 137.4 MB in the beginning and 197.7 MB in the end (delta: 60.3 MB). Free memory was 75.5 MB in the beginning and 175.0 MB in the end (delta: -99.5 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 182.77 ms. Allocated memory is still 197.7 MB. Free memory was 175.0 MB in the beginning and 165.8 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Sifa took 135.70 ms. Allocated memory is still 197.7 MB. Free memory was 165.8 MB in the beginning and 158.6 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 0.1s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 6 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 0 DAG_INTERPRETER_EARLY_EXITS, 4 TOOLS_POST_APPLICATIONS, 0.0s TOOLS_POST_TIME, 2 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 1 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 0.0s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 6 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 2 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 0 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 0 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.0s DOMAIN_ISSUBSETEQ_TIME, 0 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 0 LOOP_SUMMARIZER_APPLICATIONS, 0 LOOP_SUMMARIZER_CACHE_MISSES, 0.0s LOOP_SUMMARIZER_OVERALL_TIME, 0.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 0 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 1 CALL_SUMMARIZER_APPLICATIONS, 1 CALL_SUMMARIZER_CACHE_MISSES, 0.0s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 27 DAG_COMPRESSION_PROCESSED_NODES, 18 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 17#(and (<= 1 main_~i~0) (= main_~i~0 1) (<= main_~i~0 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...